Base | Representation |
---|---|
bin | 11000010001000101… |
… | …10110010100011000 |
3 | 1020121221221221000222 |
4 | 30020202312110120 |
5 | 203140213130000 |
6 | 5552440415212 |
7 | 640565224505 |
oct | 141042662430 |
9 | 36557857028 |
10 | 13028255000 |
11 | 55861238a2 |
12 | 2637177508 |
13 | 12c81b5637 |
14 | 8b84024ac |
15 | 513b83a85 |
hex | 3088b6518 |
13028255000 has 80 divisors (see below), whose sum is σ = 31350652080. Its totient is φ = 5070384000.
The previous prime is 13028254999. The next prime is 13028255087. The reversal of 13028255000 is 55282031.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 149789 + ... + 220211.
It is an arithmetic number, because the mean of its divisors is an integer number (391883151).
Almost surely, 213028255000 is an apocalyptic number.
13028255000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13028255000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15675326040).
13028255000 is an abundant number, since it is smaller than the sum of its proper divisors (18322397080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13028255000 is an equidigital number, since it uses as much as digits as its factorization.
13028255000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70486 (or 70467 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 26.
The spelling of 13028255000 in words is "thirteen billion, twenty-eight million, two hundred fifty-five thousand".
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